(19)

(11)

EP 0 452 455 A1

(12)

(43) Date of publication: 23.10.1991 Bulletin 1991/43 (21) Application number: 90916531.0 (22) Date of filing: 30.10.1990

(51) International Patent Classification (IPC):  B25G 1/ 10( . ) B26B 3/ 00( . ) B26B 1/ 10( . ) (86) International application number: PCT/NL1990/000164 (87) International publication number: WO 1991/006405 (16.05.1991 Gazette 1991/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 30.10.1989 NL 19890002676 (71) Applicant: REITSMA, Bertus Johannes NL-8225 KE Lelystad (NL)	(72) Inventor: REITSMA, Bertus Johannes NL-8225 KE Lelystad (NL) (74) Representative: Boelsma, Gerben Harm, Ir., et al  van Exter Polak & Charlouis B.V., P.O. Box 3241 NL-2280 GE Rijswijk NL-2280 GE Rijswijk (NL)